Invasion: The Dredge (2005)
(TV Episode)
Dave repeatedly refers to the survivors group, as Pod People. This is a reference to "Invasion of the body snatchers" (1956) about people who were replaced by alien duplicates.

Final Days of Planet Earth (2006)
(TV Movie)
townspeople are being replaced by alien insects (instead of pod people) are grown from plantlike pods, disguise themselves in "human suits" then they look like perfect physical duplicates who kill and dispose of their human victims

Pensavo fosse amore invece era un calesse (1991)
In a scene in which Tommaso (Massimo Troisi) is sad and alone in his bedroom, we can see about 60 seconds of one of the final scenes of the movie featured on TV.

The Simpsons: The Old Man and the Lisa (1997)
(TV Episode)
The scene where Lisa tries to stop the townspeople recycling before jumping on a truck and seeing barrels of Lisa slurry parodies a scene in this film with pod people in place of recyclers and pods in place of the slurry.

Trail of the Screaming Forehead (2007)
In this parody of 1950s/1960s sci-fi/horror films, alien foreheads gradually take over the minds of people in a small town. Actor Kevin McCarthy has a guest appearance late in the film.